Herrero, R
Real, L M
Rivero-Juárez, A
Pineda, J A
Camacho, Á
Macías, J
Laplana, M
Konieczny, P
Márquez, F J
Souto, J C
Soria, J M
Saulle, I
Lo Caputo, S
Biasin, M
Rivero, A
Fibla, J
Caruz, A
Article History
Received: 5 June 2014
Revised: 10 November 2014
Accepted: 12 November 2014
First Online: 8 January 2015
Competing interests
: The authors declare no conflict of interest.